
BS EN 60811-405. Electric and optical fibre cables. Test methods for non-metallic materials. Part 405. Environmental tests. Thermal stability test for PVC insulations and PVC sheaths
出版:British Standards Institution

專家解讀視頻
BS EN 60811-405. Electric and optical fibre cables. Test methods for non-metallic materials. Part 405. Environmental tests. Thermal stability test for PVC insulations and PVC sheaths
出版:British Standards Institution
專家解讀視頻